LT5568 - 700MHz To 1050MHz High Linearity Direct Quadrature Modulator

The LT5568 is a direct I/Q Modulator designed for high performance Wireless applications, including Wireless infrastructure. It allows direct modulation of an RF signal using differential baseband I and Q signals. It supports PHS, GSM, EDGE, TD-SCDMA, CDMA CDMA2000, WCDMA, and other systems. It may also be confi gured as an image reject upconverting mixer, by applying 90 phase-shifted signals to the I and Q inputs. The I/Q baseband inputs consist of voltage-to-current converters that in turn drive double-balanced mixers. The outputs of these mixers are summed and applied to an on-chip RF transformer, which converts the differential mixer signals to a 50 single-ended output. The four balanced I and Q baseband input ports are intended for DC coupling from a source with a common mode voltage level of about 0.5V. The LO path consists of an LO Buffer with single-ended input, and precision quadrature generators that produce the LO drive for the mixers. The supply voltage range is 4.5V to 5.25V.
By Linear Technology Corporation
LT5568 's PackagesLT5568 's pdf datasheet

LT5568 Pinout, Pinouts
LT5568 pinout,Pin out
This is one package pinout of LT5568,If you need more pinouts please download LT5568's pdf datasheet.

LT5568 Application circuits
LT5568 circuits
This is one application circuit of LT5568,If you need more circuits,please download LT5568's pdf datasheet.

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